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Finding the Fourth Proportional to 35,772.56, 49,368.84 and 19,860.08

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Solution

The fourth proportional to 35,772.56, 49,368.84 and 19,860.08 is: 27,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.56 : 49,368.84 = 19,860.08 : x
  2. Step 2: Convert to fraction form
    35,772.56/49,368.84 = 19,860.08/x
  3. Step 3: Cross multiply
    35,772.56x = 49,368.84 × 19,860.08
  4. Step 4: Simplify right side
    35,772.56x = 980,469,111.91
  5. Step 5: Solve for x
    x = 980,469,111.91/35,772.56
  6. Step 6: Final answer
    x = 27,408.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.